tech notes

NEW AND IMPROVED, NOW ASSEMBLED WITH BEEHIVE SPRINGS AND HARDWARE FAST, EASY WAY TO BOLT ON 65 HORSEPOWER! TRUE BOLT-ON PERFORMANCE

For use on 289/302/351 Windsor-style engines

Intake flows approximately 240 cfm at .550" lift (at 28" of H20)

Exhaust flows approximately 170 cfm at .500" lift (at 28" of H20)

Machined for 1.94" Intake and 1.54" exhaust valve diameters

Ford racing X-heads use either GT-40 or aftermarket performance intake manifolds. Check your intake manifold for port match; not all intakes are
compatible due to the tall high-flow ports. Does not fit
M-9424-Z51/-Z51P